Kenwood DPX-7010-MD Service manual
MD CD DSP RECEIVER
DPX-7010MD
SERVICE MANUAL
© 2000-6 PRINTED IN JAPAN
B51-7629-00 (N) 461
This service manual does not include information on the MD mechanism assembly (Exploded view, Parts list,
Schematic diagram and Mechanism description).
For such information, refer to the MD mechanism assembly manual (X92-3770-00 : B51-7623-00).
Panel assy
(A64-2106-02)
Remote controller assy
(RC-500)
(A70-0883-05)
MD CD RECEIVER
7 BAND EQUALIZER
CRSC
AUD
DISP
NAME.S
USER
DC cord
(E30-4886-05)
Badge
(B43-1269-04)
Front glass
(B10-3173-01)
Mounting hardware
(J21-9578-05)
PWR
OFF
OPEN
DISC
FNC
Screw set
(N99-1691-05)
DPX-7010MD
CH CON
CH CLK
REQC
REQH
DATA C
DATA H
SDA
SCL
RESET
FSD
FM SD
SW1-3
AMUTE
MRST
MSTOP
LO/EJ
BEEP
TEST
PWIC STBY
MUTE
BU DET
ACC DET
NAVI MUTE
ANT CON
P CON
P ON
FM
AM
ILLUM
FL PON
SP INT
SCDATA
MCDATA
CTS
RTS
FM DET OUT
AM DET OUT
FM SD
FSD
CLK
DATA
AM ANT
FM ANT
AUD +B
FM +B
AM +B
MRST
SRV +B
AUD +B
BU 5V
AMUTE
DET-SW
LOS-SW
LOE-SW
EJECT
LOAD
AUDIO OUT
MOTOR
LO/EJ
MSTOP
MRST
AMUTE
P CON
ANT CON
NAVI MUTE
ILLUMI
ACC
B. U
GND
NAVI MUTE
B.U DET
ACC DET
ILLUMI
CDON
MECHAON
AM : 500mV
FM : 1330mV
CH
CD : 2818mV
ANT CON
BU 5V
MD
CD : +2dB
FM : +2dB
CH
AM : +4dB
+12dB
+6dB
-0.1dB
(-3.5dB)
10dB
DSP 5V
MD
CD : 354mV
CH
FM : 168mV
MD
CD : 237mV
CH
FM : 112mV
AM : 63mV
AM : 42mV AM : 133mV
CD : 750mV
FM : 354mV
CH
MD
CD : 358mV
FM : 170mV
MD
CH
AM : 64mV
SP CLK
SP REQ
SP DATA
SC-CON
BU 5V
AUD +B
SRV +B
SW 5V
BU 5V
ILL+B
AM
FM
FM +B
AM +B
PON 5V
CD SRV +B
BU 5V
B. U
MD
B.U
BU 5V
AUD +B
FM:285mV
AM:170mV
SDA
SCL
MSTOP
SCL
SDA
SW1-3
MOTOR
: 1200mV
CD
MD
LED MD
PWIC SVR
DSP CLK
DSP PD
DSP WRQ
DSP WRDY
DSP SO
DSP RST
10dB
AUD +B
REAR
FRONT
-12.5dB
FM : 715mV
AM : 269mV
CD : 1511mV
MD
CH
DSP CLK
DSP SO
DSP WRDY
DSP WRQ
DSP PD
DSP RST
(-0.5dB)
AUDIO OUT
AMP-CTRL
AMP-CTRL
P ON
MD SRV +B
H/F DSP3.3V
DSP(D) 3.3V
DSP(A) 3.3V
AUDIO +B
P CON
BEEP
STBY
SVR
TEST
SCL
SDA
CD
FM
AM
CH
MD
FRONT
REAR
PW MUTE
REQC REQC
DET-SW
MRST
MSTOP
AMUTE
EJECT
LOE-SW
LOS-SW
LOAD
SW
SW
ILL +B
P ON2
REAR
(-0.5dB)
PWMUTE
:529mV
:1409mV
:2985mV
N/F
:1200mVCD
:285mV
CH
AM
FM
:170mV
MD
SYSTEM u-COM
M30622MCAA58FP
SRV +B AVR
SRV +B AVR
A8V AVR
AVR
BU DET
ACC DET
SMALL DET
NAVI MUTE
B1188
VOL
BASS
INPUT
SEL
ISO
NC. MPX
PWR AMP
FRONT
SP OUT
REAR
SP OUT
MUTE
ANT.
MD MECHA
CD MECHA
TA8263H
PRE OUT
FRONT
REAR/NON FAD
PRE OUT
E VOL, TONE, NC, MPX
TDA7400
TRE
MD/CD
CHANGER
DSP
CXD2728Q-1
BUFF
LPF
MUTE
LCD
M30220MA-101GP
PANEL u-COM
REMOCON
RST SW
KEY MATRIX
DSP3.3V
SW 14V
D5V AVR
L4943
B1565
A1906
FM8V SW
CPH3105
AM8V SW
CPH3105
5V SW
ANT CON
VOL
SOFT
MUTE
LPF
BUFF
LPF
AMP-CTRL
DSP3.3V AVR
D1776
Q200,300
Q9
Q4
Q6
Q5
Q2
Q3
Q502
FMC2A
ILL +B SW
Q25
Q16,17
ILL +B AVR
B1565F
Q24
DSP3.3V
AVR
Q21,22
Q12
Q43
Q503
Q201,301
MUTE
BA3129F
BA3129F
FADE
BU 5V ILL +B
IMD 16A
TUNER
Q202,302
(X25-8610-00)
(X13-9810-00)
SUB PANEL UNIT
IC2
IC1
A2
IC7 IC8
IC12
IC3
IC1
IC10
IC9
IC11
IC5
IC611
SWITCH UNIT
IC1
BLOCK DIAGRAM
2
DPX-7010MD
MICROCOMPUTER’S TERMINAL DESCRIPTION
System Microcomputer M30622MCAA58FP (X14 : IC1)
Pin Pin Name I/O Description Processing Operation
1 DSP_RVDT O DSP data output terminal
2 DSP_CLK O DSP clock output terminal
3 DSP_REDY I DSP write request terminal
4 DSP_RST O DSP reset terminal
5 DATAH O External channel data output terminal
6 DATAC I External channel data input terminal
7 CHCLK I/O External channel clock I/O terminal
8 BYTE I Connected to GND
9 CNVss I
10 CHCON1 O External CH1 selection terminal H: CHCON1, L: Other
11 CHCON2 O External CH2 selection terminal H: CHCON2, L: Other
12 REST I Reset terminal L: Reset
13 Xout O External crystal oscillation output terminal
14 Vss I Connected to GND
15 Xin I External crystal oscillation input terminal
16 Vcc I VDD 5V
17 NMI I
18 SP_INT I Spectrum analyzer reception permission
19 BU_DET I Back up detection terminal H: Back up detection on, L: Normal
20 REQC I External channel reception request terminal
21 PWIC_SVR O Power IC control terminal H: On, L: Normal
22 PON O Power source control terminal H: PON 5V output
23 PWIC_STBY O Power IC standby terminal
24 AMP_CTRL O External amplifier control
25 TEST O Power IC control terminal
26 BUZZ O Beep output
27 PCON O External amplifier power source control H: On, L: Off
28 PANT O Power antenna control terminal H: On, L: Off
29 SCL O IC2 clock output terminal
30 SDA I/O IC2 data I/O terminal
31 PN_MC_DATA O Data output terminal to panel microcomputer
32 PN_SC_DATA I Data input terminal from panel microcomputer
33 PN_RTS O Communication control between panel microcomputer
34 PN_CTS I Communication control between panel microcomputer
35 NC O Not used
36 NC I Not used
37 LAMP O Key illumination control terminal When illumination on while ACC off: H
38,39 NC O Not used.
40 ACC_DET I ACC detection terminal H: ACC off
41 SP_REQ O
42 NC O Not used.
43 LED_MD O LED control terminal for MD L: Disk in position, H: No disk
44,45 NC O Not used
Spectrum analyzer data output request to panel microcomputer
3
DPX-7010MD
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin Pin Name I/O Description Processing Operation
46 PN_SCCON O Communication control between panel microcomputer
47 CD_MSTOP O CD mechanism microcomputer stop terminal L: Mechanism stop
48 CD_LO/EJ I/O CD loading/eject control terminal
49 CD_MOTOR O CD loading motor control terminal
50 CD_SW3 I CD mechanism SW3 detection terminal L: Disk at switch position
51 NC O Not used.
52 CD_AMUTE I CD MUTE request terminal H: Mute on
53 CD_SW2 I CD mechanism SW2 detection terminal L: Disk at switch position
54 NC O Not used.
55 TYPE0 I Destination switch H: J type, L: M type
56 SEL1 I IC2 noise canceller switch
57 SEL2 I IC2 noise canceller switch
58 MD_LOE_SW I MD play standby position detection switch L: Disk at switch position
59 MD_LOAD O MD mechanism control motor terminal 0
60 MD_EJECT O Disk eject control motor terminal 1
61 MD_MSTOP O MD mechanism microcomputer stop request L: Mechanism stop
62 Vcc 63 NC O Not used.
64 Vss -
65~70 NC O Not used.
71 MRST O CD & MD mechanism microcomputer reset terminal H: Normal, L: Reset
72 MD_AMUTE I Mute request terminal from MD mechanism control H: Mute On
73 MD_LOS_SW I MD play standby position detection switch
74 MD_DET_SW I MD eject complete switch (PACK DET)
75 CD_SW1 I CD mechanism SW1 detection terminal L: Key interruption
76~79 NC O Not used
80 FMSD I FM station detection terminal
81 REAR/NF O Preout Rear/NF switching control terminal L: Rear
82 FM+B O FM power source terminal H: On
83 AM+B O AM power source terminal H: On
84 MD/DC O MD/CD IC2 input control terminal L: CD
85 NAVI_MUTE I Navi. mute L: Navi. mute
86 PCON_IN I External amplifier over current control terminal H: Protection operation
87 REQH O External channel transmission request terminal
88 ILLUMI I Illumination detection terminal H: Small lamp off
89 REFCON O A/D reference voltage output H: Key interruption
90 PW_MUTE O Power IC mute control terminal H: All off
91 MUTE O Mute terminal H: Mute on
92~95 NC O Not used.
96 Avss I Ground
97 FSD_OUT I S-meter input terminal H: 1.9V, FM station detected
98 Vref I A/D reference voltage output
99 Avcc I
100 DSP_XLAT O DSP write request terminal
4
DPX-7010MD
MICROCOMPUTER’S TERMINAL DESCRIPTION
Panel Microcomputer M30220MA-101GP (X25 : IC1)
Pin Pin Name I/O Description Processing Operation
1~8 NC O Not used L: Fixed
9 PWM_CONT_R O Red LED brightness control H: On
10 NC O Not used L: Fixed
11 PWM_CONT_B O Blue LED brightness control H: On
12 NC O Not used L: Fixed
13 PWM_CONT_G O Green LED brightness control H: On
14,15 NC O Not used L: Fixed
16 CNvss I Processor mode select (external pull down)
17 Xcin O Not used L: Fixed
18 Xcout O Not used L: Fixed
19 RESET I Reset input L: Reset
20 Xout O Main system clock oscillation f=10.0MHz
21 Vss I Ground
22 Xin I Main system clock oscillation f=10.0MHz
23 Vcc I Positive power supply terminal
24 NMI I Not used (external pull down)
25 SP_INT O Spectrum analyzer data transfer flag
26 SP_SRQ I Spectrum analyzer data transfer flag
27 LCD_INH O LCD character light on inhibit L: Off
28 LCD_CS O External LCD driver select H: Select
29 LCD_CLK O External LCD driver clock output
30 NC I Not used (external pull down) L: Fixed
31 LCD_DO O External LCD driver data output
32 NC O Not used L: Fixed
33 SP_DATA I Spectrum analyzer data input
34 SP_CLK I Spectrum analyzer clock input
35 NC O Not used L: Fixed
36 PN_SC_DATA O System microcomputer communication. Data output
37 PN_MC_DATA I System microcomputer communication. Data input
38 PN_RTS O RTS output. (Connect PN_CTS of system microcomputer)
39 PN_CTS I CTS input. (Connect PN_RTS of system microcomputer)
40 NC O Not used L: Fixed
41 PN_SC_CON I System microcomputer communination. L: Nornal operation
Panel microcomputer operation control
42~46 NC O Not used L: Fixed
47 REMOCON I Remote controller signal input
48~52 NC O Not used L: Fixed
53~58 KR5~KR0 I Key return signal input 5~0
59~73 NC O Not used L: Fixed
74~77 KS3~KS0 O Key scan output 3~0
78~90 SEG47~SEG35 O
91 Vcc I Positive power supply terminal
5
DPX-7010MD
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin Pin Name I/O Description Processing Operation
92 SEG34 O
93 Vss I Ground
94~127 SEG33~SEG0 O
128~131 COM3~COM0 O
132 C2 I
133 C1 I
134 VL3 I LCD drive reference voltage
135 VL2 I LCD drive reference voltage (2/3 x VL3)
136 VL1 I LCD drive reference voltage (1/3 x VL3)
137 Vss I Ground
138,139 NC O Not used L: Fixed
140 Avss I Analog ground
141 NC O Not used L: Fixed
142 Vref I Reference voltage input
143 Avcc I Analog positive power supply
144 NC I Not used L: Fixed
6
A B C D E F G H I J
1
2
3
4
5
PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW)
X13-9810-00 (J74-1063-12)
D4
S2
CN1
R9
R8
D3
19
C3
D2
R7
R6
EBEB
Q2
R2
R3
X25-8610-00 (J74-1069-12)
R19
D6
D9
R13
R22
S4
S.A
R16
R25
C17
R27
R24
R29
R28
C7
IC1
1
2
R10
S2
C1
R1
4
C4
C2
3
R14
S1
SRC
CP10
D13
80121122146
S3
D12
UP
R18
DOWN
C22
C20
C23
R21
C19
C16
R15
D8
D5
D3
72
D2
CP7
R36
C28
CP3
R31
IC1
R40
C2
R1
X1
C6
EB
Q1
R38
D4
C15
R37
EB
Q2
Q6
76
75
CP5
37
36 1
CP6
CP8
R5
R4
D1
R4
CP2
R3
R5
R41
CP1
R42
R35
C1
L1
Q1
21
CN1
R23
R20
Q3
EB
R2
C4
EB
R17
Q5
R26
C25
C26
S5
S6
R12
FM+
C21
C18
D10
EB
EB
C24
Q4
AM-
S7
TEL
6
S8
R11
D7
5
S9
10873
109
4
S10
R6
R7
144
R33
C8
CP4
R30
R32
D1
C3
C12
C13
C14
R34
CP9
C5
100
1
D11
R10
R39
C27
S11
32
S12
X13-9810-00 (J74-1063-12)
C1
1
2
R10
9
IC1
1
R5
R4
C3
D2
D1
Q1
CN1
R8
R7
R6
Q2
EBEB
R2
R3
R1
C4
4
C2
3
R9
D3
X25-8610-00 (J74-1069-12)
S5
S6
TEL
S7
S2
D4
S8
6
R11
S9
5
S10
4
C27
R39
R10
S11
S12
23
AM-
79
D11
C24
R12
R17
FM+
R23
C21
D10
R20
Q3
BE
C18
Q4
Q5
D7
R7
R33
E
B
R26 R28
108
109
R6
144
C8
1
CP4
R30
D1
C3
C26
C12
C13
C14
R34
R32
CP9
C5
100
1
E
B
R37
IC2
B
C25
E
Q6
R13
S4
S.A
R29
R25
R27
R24
R16
C17
S2
R19
R22
C20
C23
D9
DOWN
D6
R18
R15
C22
R21
C19
UP
C16
D8
D5
S3
CP10
SRC
R14
S1
D13
D12
C7
73
D3
72
D2
C1
R36
C28
CP7
CP5
37
36
CP6
CP8
R4
CP2
R3
R5
R41
L1
CP1
R42
21
CN1
12212180
IC1
R40
R2
C6
E
Q1
C4
B
R38
C15
BE
Q2
R1
C2
X1
R35
CP3
D4
R31
76
75
IC2
S13
1
25
51
5026
1
1
51
50 26
25
1 79
S13
1
1
146
ED1
ED1
6
S1
S19
ATT
X13-9810-00
IC Q
Address
12B
7
14B
24B
X25-8610-00
IC Q
13D
25D
14D
25D
VOL+
Address
S18
IC Q
32D
42D
52D
65D
S17
R9
R8
VOL-
Address
S16
DSP
S15
EQ
S14
DISP
S20
S1
X13-9810-00
IC Q
Address
12F
14F
24F
7 8
S20
S15
S14
DISP
EQ
X25-8610-00
IC Q
Address
13I
25I
14I
25I
IC Q
S16
DSP
Address
32I
42I
52I
65I
S17
R9
R8
VOL-
S18
VOL+
S19
ATT
Refer to the schematic diagram
for the values of resistors and
capacitors.
K L M N O P Q R S T
1
2
3
4
5
6
7
PC BOARD (COMPONENT SIDE VIEW)
X14-6320-21 (J74-1065-32)
C2
R9
C8
R13
D408
D412
C43
E
C9
C14
C20
C23
C22
Q18
E
Q26
Q27
B
BE
C34
Q24
E
C39
A1
9
1
B
R416
C352
D410
BC
C
C16
C27
B
D16
E
C25
B
D406
Q107
E
Q21
E
L1
D8
D9
GND
R43
R38
C7
R10
Q12
C26
BE
R37
R7
R418
E
B
C17
C36
D19
D11
C35
R4
D7
Q25
R35
R14
E
Q108
D10
D17
E
B
E
W1
R8
L4
B
Q9
C351
L401
Q20
B
C41
C38
D1
C5
BE
C457
PON5V
R32
R33
Q23
E
Q5
BE
D6
R12
R18
C350
B
R36
C1
D2
Q6
R16
R44
R45
BE
BE
Q11
R41
C250
Q10
BE
C251
D401
R417
EB
E
D15
R31
C31
1
R412
C418
Q43
Q22
R482
C33
C32
R415
R402
D400
B
E
C6
R401
C434
CN1
WH1
D4
C431
R34
Q4
R5
R122
BE
Q2
D5
C432
R403
TH1
IC3
C10
R22
16
8
D405
24
C452
C255
C455
D404
R413
R17
R24
E
Q16
B
E
Q17
B
2
14
R23
C15
2
C24
L2
D407
C354
C355
R40
D14
E
Q15
D409
IC12
R29
B
R25
25
C254
1
R414
R20
R21
R42
E
C37
D411
C454
C12
15
R19
C11
1
7
1
C252
R28
C21
C40
C253
C353
C19
R26
R27
J1
D413
C451
D414
C13
R30
C42
B
A2
L30
B
E
B
C435
1
C433
C417
L410
1
R2
8
R125
R1
C3
R3
IC13
R214
R211
C421
R434
R6
R215
R217
C211
R213
C210
R259
C416
R124
L500
Q1
BE
R258
C112
C400
L400
22
L501
C4
C430
5
R216
R212
4
R123
C429
C213
5
C311
4
R210
R481
C438
C425
IC9
C401
R112
D3
R315
R317
R313
R311
CP19
C507
C439
C230
C426
R316
C313
C514
C212
8
C310
R359
R430
C513
C500
C443
23
33
C217
C427
1
R310
C419
R432
C440
C312
25
40
C511
R404
22
34
R225
R314
R312
C420
C330
R358
24
R207
Q500
5
C428
C200
R205
R431
B
4
R221
C207
C206
41
C516
E
C445
IC2
R227
R256
L409
C415
L505
B
R409
C447
C450
R224
C402
L504
R405
R406
R203
R257
L408
R501
R502
C446
8
R357
C414
L10
C508
C505
BE
R500
R408
12
C317
R226
1
C203
C411
L406
C413
BE
C448
44
R200
R141
Q503
R327
IC10
R204
X1
R484
C412
C333
11
1
C437
L405
C504
C449
C231
R325
5
4
C410
CN3
L502
R503
R356
C403
R142
D501
C501
Q502
R324
R326
C316
C205
L407
C407
C406
C502
C441
C442
R407
C436
8
1
R307
Q103
EB
Q111
R410
7
C233
C234
IC7
L404
C409
IC8
R504
BE
8
C305
L403
C408
64
D416
C509
Q501
BE
C303
R304
1
C331
R303
R305
C306
C512
C515
L506
C235
C307
80
65
D402
R362
R262
C332
EB
R201
122
C506
C300
R300
R206
R302
EB
R260
D403
C215
C214
C365
C405
R360
14
C604
R223
R202
Q200
D417
R301
L503
IC5
1
22
C659
L613
R222
C404
Q300
28
C510
C232
1
7
R220
R306
C246
R483
7
C245
24
C503
20
C216
C265
8
R453
11
IC606
C315
C314
R321
C461
IC11
IC604
R323
IC611
R452
R451
R108
D12
R322
C460
C340
C605
R320
R450
10
R411
C339
EB
C639
C653
1
C664
C641
O
G
I
EB
14
C345
D37
L601
C341
R342
R341
Q301
C610
R608
L607
Q110
1
BE
IC610
C346
R149
CP603
21
L602
8
C640
R433
R340
Q201
4
5
C637
L615
5
8
CP1
X2
R113
R115
R158
C240
R609
C654
L608
20
C120
CP3
C100
R617
1
C658
L606
IC16
R102
C119
R120
R154
C241
R242
R241
R240
J3
D28
C614
C623
3
C612
1
R607
CP601
80
L611
L614
21
Q102
4
1
R161
E
1
5
BE
Q100
R163
R150
CP4
L100
C624
X601
C646
R647
CP609
D101
B
IC14
3
R110
4
C103
R143
R645
L603
IC605
C661
C663
R109
Q101
BE
C104
R156
R117
D29
D30
C642
C643
R165
R164
30
R118
C101
C81
R601
C647
C662
CP610
R107
R103
1
R114
R646
R653
R166
100
31
R116
R70
R630
R654
R160
R68
R66
C244
C645
L604
R650
CP611
CP5
R130
61
C117
C644
C649
40
C650
R162
C118
R133
R67
C648
60
L610
CP605
L612
R111
41
R157
R129
R128
CP8
R255
C342
C242
C656
C657
C651
IC1
D33
C86
R648
C655
CP604
CP606
CP607
R155
R636
C626
R135
3
C652
R625
R151
C110
R63
CN4
R344
R343
R243
C632
C631
L605
C635
R649
R656
CP9
R147
C83
C84
R254
R244
L609
C636
R652
R651
CP17
81
D610
13
IC608
5
50
R146
R136
D32
1
R621
C618
C603
Q602
80
51
R148
R64
4
EB
4
R144
R245
1
4
B
E
B
E
B
D604
EB
R655
R139
R138
CP10
R132
C109
R61
C620
IC602
CP12
R629
C107
D31
C344
D34
R345
E
E
E
4
5
Q601
R152
C113
C111
R145
E
C243
B
E
B
C627
R635
R631
C82
J2
R62
B
B
C343
85
R640
C115
R153
CP11
R167
C108
R134
R71
R60
Q37
E
D13
IC601
1
3
IC609
1
R170
R137
B
8
5
10
R169
E
Q302
D38
Q202
CN2
R168
2
C625
20
2
9
21
1
1
CN602
R634
C621
C600
C602
D100
C102
R119
R615
Q605
Q603
C608
R613
R620
R104
C105
Q606
C633
R641
R603
C629
R637
C628
R106
R105
R612
D606
Q604
C611
R614
R643
Q607
R644
R616
C607
R602
C613
D600
R619
R642
C634
D601
C601
R633
R638
R605
R611
C615
R639
C609
C606
D602
D603
C622
C619
R610
R624
R604
C630
X14-6320-21
IC Q
16Q
23N
34L
53O
74O
85O
94N
10 4N
11 6 P
12 3L
13 4N
14 6P
16 5P
Address
13N
23M
43M
53M
63M
93M
10 3M
11 3 M
12 4L
15 5L
16 5K
17 5K
18 5L
IC Q
100 6P
101 6P
102 5P
103 6O
107 4L
108 4M
110 5P
111 3O
200 5O
201 2P
202 3Q
300 6O
301 2P
302 3Q
500 3N
501 2O
502 2O
503 2O
Address
21 5L
22 5M
23 5M
24 6L
25 5L
27 5L
37 2Q
43 4M
20 6M
Refer to the schematic diagram for
the values of resistors and capacitors.
9 10
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